Surf Forecasts:
Kennebunk Beach surf forecast from 15 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 11PM (local time) - 5ft (1.5m), 6s period, S swell with 138 kJ wave energy.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.5m 6s and forecast to arrive on Sunday (Aug 16) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Friday (Aug 21) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Sun 16th Aug) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
G'day, Rusty here, and I gotta be straight with you – the outlook for Kennebunk Beach for the next couple of weeks is a real bummer. We're looking at a long stretch of flat, unrideable conditions. The water is sitting at a touch warmer than normal for this time of year, about 69°.
Right from the start on Friday, August 14th, it's a no-go with a tiny 1ft swell coming from the SE and a cross-on wind making it choppy. The combined wave energy is a weak 17, and that theme sticks around for days. Saturday the 15th is glassy in the morning, but the swell is only 0.6ft, so there's just nothing to ride. The pattern of small, weak swells with poor wind continues right through the end of the month.
The energy stays in the double digits, never breaking into even moderate territory. There's a brief moment on the morning of Tuesday, August 18th, when we get a clean, offshore wind from the ENE, but the swell is still a pathetic 3ft with a period of 8 seconds – just not enough power to make it worth paddling out. The situation is much the same on the morning of Thursday, August 27th, with a clean offshore wind but a 1ft swell.
The best of what's on offer is a very weak, stray 3ft SE swell on the morning of Monday, August 17th, but it's wind-affected and the period is a short 5 seconds, giving it a combined energy of only 48. It's just not surfable. Honestly, for the whole 16 days, there's no standout window. The forecast is a total blank, and for an area with a fairly consistent spot like this, it's a dry spell you just have to wait out. The forecasts can always change, but for now, leave the board in the shed.
Rusty
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Warm (max 27°C on Fri afternoon, min 16°C on Sun morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Mon afternoon. Warm (max 26°C on Thu morning, min 17°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 10 | ESE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 6 | SE 9 | S 5 | SSE 5 | SSE 4 | SE 5 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SSE 5 | SSE 5 | SSE 6 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 14 | 8 | 8 | 8 | 8 | 4 | 12 | 76 | 37 | 23 | 25 | 67 | 84 | 79 | 60 | 57 | 67 | 62 | 70 | 42 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | off | cross | glassy | cross-on | cross-on | on | cross-on | on | cross |
High Tide | 1:25AM3.14m | 1:56PM3.01m | 2:14AM3.00m | 2:41PM2.96m | 3:03AM2.82m | 3:26PM2.88m | 3:53AM2.63m | 4:12PM2.79m | 4:45AM2.46m | 5:01PM2.69m | 5:42AM2.32m | 5:55PM2.61m | ||||||||
Low Tide | 7:08PM-0.09m | 7:39AM-0.22m | 7:58PM-0.05m | 8:23AM-0.09m | 8:48PM0.04m | 9:08AM0.08m | 9:38PM0.15m | 9:54AM0.26m | 10:30PM0.26m | 10:42AM0.42m | 11:27PM0.36m | 11:35AM0.56m | 00:28AM0.44m | |||||||
 |  | | | | | |  |  | |  | |  | | | | | | |  | |
 | — | — | 5:46 | — | — | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — |
 | 7:46 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:40 | — | — | 7:38 | — | — | 7:37 | — |
mm | — | — | — | — | — | — | — | 5 | 3 | 2 | — | — | — | — | — | — | — | — | 2 | 20 |
Temp °C | 27 | 23 | 22 | 23 | 21 | 20 | 22 | 23 | 19 | 18 | 18 | 22 | 23 | 20 | 23 | 24 | 22 | 26 | 28 | 24 |
Feels °C | 23 | 20 | 22 | 20 | 19 | 19 | 20 | 20 | 18 | 17 | 19 | 21 | 22 | 21 | 23 | 23 | 22 | 25 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | SE 10 | ESE 9 | SSE 9 | SSE 9 | SSW 3 | SE 9 | SE 9 | ESE 9 | SE 8 | SE 9 | SE 5 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 6 | SE 9 | SSE 6 | SSE 6 |
| kJ | 14 | 8 | 8 | 8 | 1 | 3 | 12 | 7 | 11 | 12 | 25 | 67 | 84 | 79 | 60 | 57 | 56 | 3 | 70 | 31 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 4 | — | SE 12 | SSE 9 | — | E 11 | — | — | SE 7 | SE 9 | SE 13 | S 12 | — | — | — | — | — | — | ESE 8 |
| kJ | 1 | 1 | — | 6 | 8 | — | 2 | — | — | 2 | 13 | 6 | 3 | — | — | — | — | — | — | 42 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | SE 12 | — | E 12 | SSE 6 | — | — | — | — | S 8 | — | — | — | — | — | — | — | — | E 15 |
| kJ | 3 | 3 | 6 | — | 3 | 4 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | — | N 3 | N 3 | S 2 | — | — | S 3 | S 5 | SSE 5 | SSE 4 | — | NNE 3 | E 4 | — | — | — | SSE 5 | SSE 5 | — | NNE 4 |
| kJ | — | 2 | 1 | 1 | — | — | 5 | 76 | 37 | 23 | — | 1 | 8 | — | — | — | 67 | 62 | — | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 3507 | 1163 | 1101 | 2545 | 876 | 1790 | 1328 | 462 | 335 | 209 | 209 | 210 | 247 | 11 | 52 | 462 | 11 | 438 | 11 | 11 |
Best forecast wave conditions in Maine | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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